Observation by Chris Schur: Comet: C/2025 A6 Lemmon 3 part mosaic ...

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BAA Comet Section

Observer

Chris Schur

Observed

2025 Nov 09 - 01:50

Uploaded

2025 Nov 15 - 09:03

Objects

C/2025 A6

Planetarium overlay









Constellation

Ophiuchus

Field centre

RA: 17h07m
Dec: -09°18'
Position angle: +69°59'

Field size

3°13' × 5°54'

Full filename

2025a6/2025a6_20251109_0150_cschur.jpg

Target name

C/2025 A6

Title

Comet: C/2025 A6 Lemmon 3 part mosaic -Date/Time Local: 11/8/25 6:50pm MST -Date/Time UT: 11/9/25 1:50 UT -FOV: 600' x 123' -Orientation: anti Sun up -Seeing: 3 -Transparency: 4 -Orig. Scale: 1.9 arcsec/Pixel -Instrument: RASA 8 f/2 -Exposure: 30 min total -Camera: ASI2600MC -Location: Payson,AZ THis was our last shot at this comet, now it is just too low in the horizon haze to get a decent image. Plus I have to travel 20 miles to find a low western horizon. this last shot is a 3 part mosaic with each panel taking 10 minutes to complete.

About this image
Comet: C/2025 A6 Lemmon 3 part mosaic -Date/Time Local: 11/8/25 6:50pm MST -Date/Time UT: 11/9/25 1:50 UT -FOV: 600' x 123' -Orientation: anti Sun up -Seeing: 3 -Transparency: 4 -Orig. Scale: 1.9 arcsec/Pixel -Instrument: RASA 8 f/2 -Exposure: 30 min total -Camera: ASI2600MC -Location: Payson,AZ THis was our last shot at this comet, now it is just too low in the horizon haze to get a decent image. Plus I have to travel 20 miles to find a low western horizon. this last shot is a 3 part mosaic with each panel taking 10 minutes to complete.
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